WN 2852 then AA 3376 at Phoenix
Pittsburgh → Phoenix → Denver
Timetable, Phoenix time
15:20WN 2852 from Pittsburgh at the gate
13:16AA 3376 to Denver leaves the gate
21 h 56 apart on the timetable, overnight
AA 3376 leaves 21 h 56 after WN 2852 arrives on the timetable: more than half a day, so not a connection we count.